L1 users: 70,000 (2002 census), decreasing. 7,000 monolinguals. Ethnic population: 70,000.
Davao region: Davao del Sur province, southwest of Davao city, inland along coast; Compostela Valley and Davao del Norte provinces, Samal and nearby islands, and inland on Davao gulf easten shores; Davao Oriental province, highlands; Soccskargen region: north Cotabato province. Davao region: Davao Oriental province (eastern and western dialects); Davao del Sur province, gulf to Hagonoy and Guihing (Lupon dialect); Samal Island (Isamal dialect).
VOS, VSO; prepositions; articles before adjectives, before numerals, before noun heads; question word in sentence-initial position; 3 maximum prefixes, 2 maximum suffixes.
Strong in communities that are mainly Kalagan, but in mixed communities speakers tend to use Cebuano [ceb]. Youth bilingual in Cebuano, some are losing Kalagan ability. Home, neighborhood, religion. Adults; youth only in solid Kalagan communities. Also use English [eng], Tagalog [tgl]. Also use Cebuano [ceb]. Sample showed high proficiency with narratives in Cebuano. Used as L2 by Koronadal Blaan [bpr], Tausug [tsg].
Latin script [Latn].